Can. 1523
© Libreria Editrice Vaticana Source: vatican.va
Exsecutor actus administrativi procedere debet ad mandati normam; si condiciones ad validitatem actus mandato appositas non implevit vel substantialem procedendi formam non servavit, exsecutio nulla est.
Wording unchanged since the Code took effect in 1991.
Read the whole title TITULUS XXIXDe Lege, de Consuetudine et de Actibus Administrativis 1488–1539